Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Amazfit T-Rex vs. HTC re Grip

 
Ionic
G-Shock GBA800
Forerunner 235
T-Rex
re Grip
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$299$120$299.99$140$199
Release20172018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years9 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250215 x 180360 x 360160 x 32
Size1.421.23 inches1.3 inches1.8 inches
Touch
TypeOLEDMIPAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m20 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-inNA
Apps
Music

All Wearables